It is mainly used in LED Industry, for epitaxial the wafer of Sapphire substrate thinning.High-efficency thinning,high-finish,the quality of grinding wheel is stable.............................................................................................................................................................. 本产品网址：http://www.vooec.com/cpshow_196375157/ 手机版网址：http://m.vooec.com/product_196375157.html 产品名称：LED Back Thinning Grinding Whe
